THE BIG D How Rifle Mountain Park, Colorado, came to be the “Land of 5.13d.” Plus, the long-awaited Rifle glossary, the glues that bind, and other Rifle “Ds” of despair. By Matt Samet and Chris Weidner Photos by Celin Serbo

PRETTY GNEISS The roadside crags of Colorado’s Clear Creek Canyon seem to totter more than tower, but they’ve nevertheless played a critical role in the growth of American sport climbing. By Abbey Smith • Photos by Keith Ladzinski